Use 'openstack' command-client commands to replace nova commands
Use 'openstack' command-client commands to replace nova commands

Change-Id: Ie17eaca652c9e1ee02561aeaf7bf72e58a8ade43
Implements: blueprint use-openstack-command

openstack/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals